[fix bug 884807] Update search page message for anonymous users.
[Bug 887279] Fix overlapping group chiclets at smaller screen sizes.
Merge pull request #533 from juliaelman/887279-chiclet-overlap

[Bug 887279] Fix overlapping group chiclets at smaller screen sizes.
Merge pull request #528 from glogiotatidis/search-page-message

[fix bug 884807] Update search page message for anonymous users.
[fix bug 886968] On successful login, redirect to /register/.
[fix bug 887342] Don't show groups for public and unvouched users.
Merge pull request #535 from Sancus/master

 [Fix Bug 885120] fix tick in search bar and logo on Chrome
Merge pull request #534 from glogiotatidis/886968

[fix bug 886968] On successful login, redirect to /register/.
Merge pull request #537 from glogiotatidis/887342

[fix bug 887342] Don't show groups for public and unvouched users.
[Bug #889330] Fix for tabzilla search box viewing in Chrome.]
Merge pull request #538 from juliaelman/889330-fix-tabzilla-search-box

[Bug #889330] Fix for tabzilla search box viewing in Chrome.